235002021 has 12 divisors (see below), whose sum is σ = 320250816. Its totient is φ = 153215880.

The previous prime is 235001983. The next prime is 235002029. The reversal of 235002021 is 120200532.

It is not a de Polignac number, because 235002021 - 2⁶ = 235001957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235002029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181386 + ... + 182676.

It is an arithmetic number, because the mean of its divisors is an integer number (26687568).

Almost surely, 2^235002021 is an apocalyptic number.

It is an amenable number.

235002021 is a deficient number, since it is larger than the sum of its proper divisors (85248795).

235002021 is an frugal number, since it uses more digits than its factorization.

235002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 235002021 is about 15329.7756343660. The cubic root of 235002021 is about 617.1023482943.

Adding to 235002021 its reverse (120200532), we get a palindrome (355202553).

The spelling of 235002021 in words is "two hundred thirty-five million, two thousand, twenty-one".